PagedResult API proposals

AsyncPagedResult.java

public interface AsyncPagedResult<T> {

    void next(Callback<List<T>> callback);

    void prev(Callback<List<T>> callback);

    void page(int offset, int limit, Callback<List<T>> callback);
    
    public static interface Callback<U> {
        public void onResult(U result);
    }
}

PagedResult.java

public interface PagedResult<T> {

    List<T> next();

    List<T> prev();

    List<T> page(int offset, int limit);

}